Stainless Steel Welded Pipe ASTM A358 and A312
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1、Structure of /Stainless Steel Welded Pipe ASTM A358/A312Description：
Stainless steel welded pipe is actually a cover term, covering a wide range of alloy and making them suitable for different attributes that are used in a very wide and large numbers of different industries. Stainless steel pipe is resistant to erosion, highly flexible, powerful, easy to use, and can be done in distinct approaches, which means that more and more stainless steel was used as a construction material for large-scale, high impact buildings.
2、Main Features of the Stainless Steel Welded Pipe ASTM A358 and A312：
• High manufacturing accuracy
• High strength
• Small inertia resistance
3、Stainless Steel Welded Pipe ASTM A358 and A316Images：
4、Stainless Steel Welded Pipe ASTM A358 and A312 Specification：
Size：
| Outside diameter | Outside | Thickness | ||||
| SCH 5S | SCH 10S | SCH 20S | SCH 40S | |||
| (A) | (B) | mm | mm | mm | mm | mm |
| 350 | 14′ | 355.6 | 3.96 | 4.78 | 7.92 | 11.13 |
| 400 | 16′ | 406.4 | 4.19 | 4.78 | 7.92 | 12.7 |
| 450 | 18′ | 457.2 | 4.19 | 4.78 | 7.92 | 14.27 |
| 500 | 20′ | 508 | 4.78 | 5.54 | 9.53 | 15.09 |
| 550 | 22′ | 558.8 | 4.78 | 5.54 | 9.53 | 15.09 |
| 600 | 24′ | 609.6 | 5.54 | 6.35 | 9.53 | 17.48 |
| 650 | 26′ | 660.4 | 5.54 | 7.92 | 12.7 | 17.48 |
| 700 | 28′ | 711.2 | 5.54 | 7.92 | 12.7 | 17.48 |
| 750 | 30′ | 762 | 6.35 | 7.92 | 12.7 | 17.48 |
Tolerances on dimensions table：
| JIS G3459 | ＜30.00 ±0.30≥30.00 ±1.00% | ＜2.00 ±0.20≥2.00 ±10% | Appoint LengthDefinite cut Length | |
| GB/T 12771 | ＜13.00 ±0.2013.00~40.00 ±0.30≥40.00 ±0.80% | ≤4.00 +0.50 -0.60＞4.00 ±10% | 20 | |
| EN 10217-7 | D1±1.50% with±0.75mm(min)D2±1.00% with±0.50mm(min)D3±0.75% with±0.30mm(min) | T1±15.00% with±0.60mm(min)T2±12.5% with±0.40mm(min)T3±10.00% with±0.20mm(min) | ≤6000 +5.00 -06000~12000 +10.00 -0 | |
| D4±0.5% with±0.10mm(min) | T4±7.50% with±0.15mm(min) | |||
| T5±5.00% with±0.10mm(min) | ||||
| EN ISO 1127 | ||||
5、FAQ of Stainless Steel Welded Pipe ASTM A358 and A312：
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.
③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
Any question, pls feel free to contact us !
- Q: How do steel pipes handle extreme temperatures?
- Steel pipes are highly durable and can handle extreme temperatures due to their inherent strength and heat resistance. They have a high melting point, allowing them to withstand both very high and very low temperatures without compromising their structural integrity. Additionally, steel pipes have excellent thermal conductivity, which enables them to efficiently transfer heat and prevent damage caused by extreme temperature fluctuations.
- Q: How are steel pipes used in the construction of shipbuilding?
- Steel pipes are commonly used in shipbuilding for various purposes such as transporting fluids, supporting structures, and providing stability. They are used for the construction of the ship's hull, bulkheads, and compartments, as well as for the installation of water, fuel, and ventilation systems. Steel pipes are also utilized for the construction of masts, rigging, and other ship components that require strength and durability.
- Q: What are the different end finishes available for steel pipes?
- Steel pipes have various end finishes available, depending on the specific application and requirements. Some common options include: 1. Plain End: The simplest and most common type, where the pipe ends are cut square without any additional treatment or threading. 2. Beveled End: This involves an angled cut at the end of the pipe, typically at a 30-degree angle. It facilitates better welding and ensures a seamless transition between pipes. 3. Threaded End: These ends are useful for connecting pipes with other components using threaded fittings. The pipe ends are cut with external threads, allowing for easy assembly and disassembly. 4. Coupling End: Similar to threaded ends, coupling ends have internal threads. This enables pipes to be connected using couplings or connectors. 5. Grooved End: This type is commonly used in fire protection systems or other applications that require quick and easy installation. The pipe ends are grooved, and a coupling is used to connect and secure the pipes. 6. Flanged End: Flanged ends have a flat, wide surface with holes for bolts. They are used when the pipe needs to be connected to other components using flanges, such as in piping systems or equipment connections. Each of these end finishes serves a specific purpose and is chosen based on the application's requirements. The selection depends on factors like the desired type of connection, intended use of the pipe, and the applicable industry standards and regulations.
- Q: How are steel pipes used in the construction of stadiums?
- Steel pipes are commonly used in the construction of stadiums for various purposes such as structural support, plumbing, and drainage systems. They provide strength, durability, and flexibility, making them ideal for constructing grandstands, roofs, and other large-scale structures. Additionally, steel pipes are used for installing plumbing systems to supply water for restrooms, concession stands, and irrigation. They also play a crucial role in the drainage system, allowing for efficient removal of rainwater and preventing flooding in the stadium. Overall, steel pipes are essential components in stadium construction due to their versatility and reliability.
- Q: How are steel pipes measured and sized?
- Steel pipes are measured and sized based on their diameter and wall thickness. The standard unit for measuring steel pipes is the nominal pipe size (NPS), which is a North American set of standard sizes for pipes. The NPS is based on the internal diameter (ID) of the pipe, while the wall thickness is specified by the schedule number. The schedule number indicates the thickness of the pipe walls, with higher numbers representing thicker walls. Additionally, steel pipes can also be measured and sized using outside diameter (OD) and wall thickness in millimeters or inches.
- Q: How do you calculate the maximum allowable deflection for steel pipes?
- When calculating the maximum allowable deflection for steel pipes, various factors must be taken into account. These factors include the pipe diameter, material properties, support conditions, and desired level of deflection. The maximum allowable deflection is typically determined according to industry standards and codes. One popular method for calculating the maximum allowable deflection is based on the pipe's span-to-diameter ratio, also known as the L/D ratio. The L/D ratio is calculated by dividing the pipe's span (the distance between supports) by its diameter. Numerous industry codes provide guidelines for the maximum allowable deflection based on the L/D ratio. For instance, the American Society of Mechanical Engineers (ASME) B31.1 Power Piping Code suggests that for carbon steel pipes, the maximum allowable deflection should not exceed 3% of the pipe's span when the L/D ratio is 100 or less. However, as the L/D ratio increases, the deflection limit decreases to ensure the pipe's stability and structural integrity. To calculate the maximum allowable deflection using the L/D ratio method, you first need to determine the L/D ratio based on the pipe's span and diameter. Then, you can refer to the applicable code or standard to find the corresponding maximum allowable deflection limit. It's important to note that other factors, such as the pipe material's yield strength, wall thickness, and the type of loading (e.g., dead load, live load), also influence the maximum allowable deflection. Therefore, it is crucial to consult the relevant industry standards, codes, and engineering principles to accurately calculate the maximum allowable deflection for steel pipes.
- Q: How are steel pipes classified based on pressure ratings?
- Steel pipes are classified based on pressure ratings by assigning them different schedules, ranging from Schedule 10 to Schedule 160. Each schedule represents a different maximum pressure that the pipe can withstand, with higher schedules indicating higher pressure ratings.
- Q: How are steel pipes used in the manufacturing of telecommunications infrastructure?
- Steel pipes are used in the manufacturing of telecommunications infrastructure to provide a sturdy and reliable framework for cables and wires. These pipes are commonly used for underground and overhead installations, ensuring protection and support for the necessary communication systems.
- Q: How do you prevent steel pipes from freezing?
- To prevent steel pipes from freezing, there are several measures you can take: 1. Insulate the pipes: Use foam insulation sleeves or wrap the pipes with insulation tape. This will help maintain the temperature of the pipes and prevent them from freezing. 2. Seal any gaps or cracks: Inspect the area around the pipes and seal any gaps or cracks with caulk or expanding foam. This will prevent cold air from entering and freezing the pipes. 3. Install heat cables: Heat cables can be wrapped around the steel pipes to provide a steady source of heat. These cables can be controlled by a thermostat, ensuring that the pipes stay above freezing temperature. 4. Keep the temperature above freezing: In areas where extreme cold weather is common, it is advisable to keep the indoor temperature above freezing, even if the property is vacant. This will help maintain a suitable temperature for the pipes and prevent freezing. 5. Open cabinets and faucets: In particularly cold weather, open cabinet doors in kitchens and bathrooms to allow warm air to circulate around the pipes. Additionally, allowing faucets to drip slightly can also prevent freezing by keeping water flowing. 6. Drain the pipes: If you are leaving your property unoccupied during freezing weather, it is recommended to drain the pipes completely. This can be done by shutting off the main water supply and opening all faucets until no water remains. This minimizes the risk of freezing and potential damage. Remember, prevention is crucial in protecting steel pipes from freezing. By implementing these measures, you can significantly reduce the risk of frozen pipes and potential costly repairs.
- Q: What does carbon seamless steel pipe mean? What is the difference between a seamless 20# and an ordinary one? What is it used in detail?
- Carbon steel is relatively alloy steel. Its carbon content is higher than alloy steel, and 20# steel is one kind of carbon steel.
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Stainless Steel Welded Pipe ASTM A358 and A312
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 40 m.t.
- Supply Capability:
- 9000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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